About: http://webisa.webdatacommons.org/229041604

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I am not a chemist, so I am not going to get into how the pigment in grape juice is influenced by acidity, pH, tannin, flavones, co-pigments, iron and other metals - not to mention a dozen environmental factors.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com